Quark number susceptibilities, strangeness and dynamical confinement

Physics – High Energy Physics – High Energy Physics - Lattice

Scientific paper

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4 pages, 4 figures

Scientific paper

10.1103/PhysRevD.64.074506

We report first results on the strange quark number susceptibility, chi_s, over a large range of temperatures, mainly in the plasma phase of QCD. Chi_s jumps across the phase transition temperature, T_c, and grows rapidly with temperature above but close to T_c. For all quark masses and susceptibilities in the entire temperature range studied, we found significant departures from ideal-gas values. We also observed a strong correlation between these quantities and the susceptibility in the scalar/pseudo-scalar channel, supporting ideas of ``dynamical confinement'' in the high temperature phase of the QCD plasma.

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